Integer Rules Adding and Subtracting

Select the equivalent addition expression

• 16 + (-7)

• 16 + 7

Positive + Negative

• Always equals a Positive

• Always equals a Negative

• Could be Positive, Negative, or Zero

Negative + Positive

• Always equals a Positive

• Always equals a Negative

• Could be Positive, Negative, or Zero

-6 + 4 =

• -2

• 2

• 10

• -10

What are the rules for subtracting integers?

• Change to multiplication and use the opposite of the second number.

• Change subtraction sign to addition and use the opposite of the second number.

• Find the opposite of both numbers and then add. 

• Subtract like normal and keep the larger sign. 

When we are adding, the rule for numbers with the same sign is...

• same signs subtract

• same signs add and keep

• same signs positive

• same signs negative

Which is the rule for subtraction of integers?

• same sign sum

• different sign difference

• add the opposite

  (Keep, change, change)

• just subtract

Express an integer: a withdrawal of $100

• 100

• -100

Which of the following expressions has the greatest value?

• -7 + (-3)

• 11 − (-5)

• -9 + 5

• 12 − 6

-4 − (-2)

can be rewritten as:

• -4 + 2

• -4 - 2

• 4 + 2

• 4 - 2